Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a soma dos Blank Ends para a Dinamarca quando menos de 42 são os ends lost?
 ###Tabelas: CREATE TABLE batting_averages (batting_averages_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Matches INT, Innings INT, Runs INT, Average VARCHAR, Highest Score INT, 100s INT, 50s INT) CREATE TABLE doubles:_11_8–3 (doubles:_11_8–3_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score in the final VARCHAR) CREATE TABLE standings (standings_id AUTO_INCREMENT PRIMARY KEY, Nation VARCHAR, Skip VARCHAR, Ends Won INT, Ends Lost INT, Blank Ends INT, Stolen Ends INT, Shot Pct. VARCHAR) CREATE TABLE distribution (distribution_id AUTO_INCREMENT PRIMARY KEY, Macedonian population in Vojvodina VARCHAR, 1961 INT, Number 1971 INT, 1981 INT, 1991 INT, 2002 INT) CREATE TABLE series_ratings (series_ratings_id AUTO_INCREMENT PRIMARY KEY, Season INT, # of Episodes INT, Timeslot VARCHAR, Season Premiere VARCHAR, Season Final VARCHAR, Peak Audience INT, Average Audience INT, Average Nightly Rank VARCHAR, Average Weekly Rank VARCHAR, Average Yearly Ranking VARCHAR)  
SELECT SUM Blank Ends FROM standings WHERE Nation = denmark AND Ends Lost < 42